EMFCALMEMF guides
Published numbers for phones, Wi-Fi routers, earbuds and laptops, what the big health studies found, and the free changes that make a difference. Each figure links to the filing or report it came from.
How to reduce EMF from your phone (what actually works)
The steps that reliably cut the radio energy your body absorbs from a phone are free.
Is cell phone radiation harmful? What the FDA, NCI and WHO say
US and international health agencies have not found that the radio waves from cell phones cause cancer or any other disease at the levels phones give off.
EMF protection for your home: practical steps that cost little
The cheapest EMF protection for a home is distance. Move the Wi-Fi router out of the bedroom, charge your phone across the room, put desk computers on an...
Wi-Fi router EMF: should you shield it or move it?
Move it. A router's power density falls with the square of the distance, so doubling the gap leaves a quarter of it where you sit.
AirPods and EMF: what Bluetooth earbuds actually emit
AirPods do transmit radio waves, and the published numbers are small. In the SAR report Apple filed with the FCC, the right earbud of AirPods Pro 3 (2025)...
Laptop EMF: what a lap pad does and simpler fixes
A laptop EMF shield pad puts a metal layer under the laptop, so it can cut the Wi-Fi and Bluetooth signal traveling down into your legs.
5G and health: what we know and what we don't
WHO says no adverse health effect has been causally linked to wireless technologies, the FDA says the weight of evidence has not linked cell phone radio...
IARC 2B: what "possibly carcinogenic" means for cell phones
In 2011 IARC, the World Health Organization's cancer agency, put radiofrequency (RF) electromagnetic fields, the radio energy phones use, in Group 2B:...
The NTP cell phone study in rats, explained
The US National Toxicology Program (NTP) exposed rats and mice to 2G and 3G cell phone signals over their whole bodies, about nine hours a day for up to...